Convenient maintenance: Contains washable and reusable roller brush and cleaning brush. Simply rinse and air dry to reuse, extending the life of your for vacuum cleaner. Practicality: This replacement kit is designed for SV19 SV21 vacuum cleaners to a and optimal performance of your device. It is a must-have household cleaning tool and an indispensable accessory for maintaining a clean and hygienic home environment. It is designed to effectively collect dirt and debris to your floors are spotless. User-friendly installation: These accessories are designed for easy installation and can be quickly installed in your vacuum cleaner. The design meets production standards and is easy to install. They are designed to match the model exactly and can be quickly replaced without the help of a professional. Maintenance recommendations: In order to maintain the performance and life of the vacuum cleaner, it is recommended to clean and replace the accessories regularly as needed. to optimize cleaning efficiency. These accessories that your vacuum cleaner runs efficiently, ensuring that every area the robot passes through is thoroughly and carefully cleaned. Note:due to different production batches, the product appearance and printed words be different, which not affect the use. Color:As Shown Material:plastic Package Contents: 1 * Roller Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.